When it comes to opinions on fuel efficiency, the Bajaj Discover 125 Drum Brake has seen both sides of the fence. Bajaj claims a very good mileage figure but in real world experiences seems to vary widely. Others say they achieve or, in some cases, exceed the efficiency claimed, and praise the bike as frugal. But others are disappointed that their fuel consumption is much higher than anticipated. The discrepancy has prompted heated debates on forums and social media, as riders post tips, theories, and outright accusations of faulty units. A common topic of discussion is riding styles, maintenance practice, and sometimes conspiracy theories about different 'batches' of the bike having differing fuel efficiency. A hot topic among Discover 125 owners and potential buyers is this mileage mystery.